It looks like you're new here. If you want to get involved, click one of these buttons!
Is there any good system that can help me monitoring software RAID? other than nagios
Run mdadm --monitor as a daemon - it will send you an email if there is a degrade event or some other problem.
[DELETED] found solutions.
/etc/mdadm.conf or /etc/mdadm/mdadm.conf or wherever it is.
The directive is called MAILADDR